reponse to arrow keys

QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ViewerPanel.xaml.cs

@@ -56,8 +56,6 @@ namespace QuickLook.Plugin.VideoViewer
             mediaElement.Stop();
 
             _context.ShowNotification("", "An error occurred while loading the video.");
-
-            throw new Exception();
         }
 
         public void LoadAndPlay(string path)

QuickLook/App.xaml.cs

@@ -18,9 +18,13 @@ namespace QuickLook
 
         protected override void OnStartup(StartupEventArgs e)
         {
-            AppDomain.CurrentDomain.UnhandledException +=
-                (sender, args) => MessageBox.Show(((Exception) args.ExceptionObject).Message + Environment.NewLine +
-                                                  ((Exception) args.ExceptionObject).StackTrace);
+            AppDomain.CurrentDomain.UnhandledException += (sender, args) =>
+            {
+                MessageBox.Show(((Exception) args.ExceptionObject).Message + Environment.NewLine +
+                                ((Exception) args.ExceptionObject).StackTrace);
+
+                Current.Shutdown();
+            };
 
             base.OnStartup(e);
         }
@@ -68,9 +72,9 @@ namespace QuickLook
 
             PidHelper.WritePid();
 
-            TrayIcon.GetInstance();
+            TrayIconManager.GetInstance();
             if (!e.Args.Contains("/autorun"))
-                TrayIcon.GetInstance().ShowNotification("", "QuickLook is running in the background.");
+                TrayIconManager.GetInstance().ShowNotification("", "QuickLook is running in the background.");
 
             PluginManager.GetInstance();
 
@@ -79,7 +83,7 @@ namespace QuickLook
 
         private void App_OnExit(object sender, ExitEventArgs e)
         {
-            TrayIcon.GetInstance().Dispose();
+            TrayIconManager.GetInstance().Dispose();
             BackgroundListener.GetInstance().Dispose();
 
             PidHelper.DeletePid();

QuickLook/BackgroundListener.cs

@@ -24,7 +24,7 @@ namespace QuickLook
             if (e.Modifiers != Keys.None)
                 return;
 
-            ViewWindowManager.GetInstance().InvokeRoutine();
+            ViewWindowManager.GetInstance().InvokeRoutine(e.KeyCode != Keys.Space);
         }
 
         private void InstallHook(KeyEventHandler handler)
@@ -32,6 +32,10 @@ namespace QuickLook
             _hook = GlobalKeyboardHook.GetInstance();
 
             _hook.HookedKeys.Add(Keys.Space);
+            _hook.HookedKeys.Add(Keys.Up);
+            _hook.HookedKeys.Add(Keys.Down);
+            _hook.HookedKeys.Add(Keys.Left);
+            _hook.HookedKeys.Add(Keys.Right);
 
             _hook.KeyUp += handler;
         }

QuickLook/GlobalKeyboardHook.cs

@@ -1,7 +1,10 @@
 using System;
 using System.Collections.Generic;
 using System.Windows.Forms;
+using System.Windows.Input;
 using QuickLook.NativeMethods;
+using KeyEventArgs = System.Windows.Forms.KeyEventArgs;
+using KeyEventHandler = System.Windows.Forms.KeyEventHandler;
 
 namespace QuickLook
 {
@@ -62,6 +65,8 @@ namespace QuickLook
                 var key = (Keys) lParam.vkCode;
                 if (HookedKeys.Contains(key))
                 {
+                    key = AddModifiers(key);
+
                     var kea = new KeyEventArgs(key);
                     if (wParam == User32.WM_KEYDOWN || wParam == User32.WM_SYSKEYDOWN)
                         KeyDown?.Invoke(this, kea);
@@ -73,5 +78,19 @@ namespace QuickLook
             }
             return User32.CallNextHookEx(_hhook, code, wParam, ref lParam);
         }
+
+        private Keys AddModifiers(Keys key)
+        {
+            //Ctrl
+            if ((Keyboard.Modifiers & ModifierKeys.Control) != 0) key = key | Keys.Control;
+
+            //Shift
+            if ((Keyboard.Modifiers & ModifierKeys.Shift) != 0) key = key | Keys.Shift;
+
+            //Alt
+            if ((Keyboard.Modifiers & ModifierKeys.Alt) != 0) key = key | Keys.Alt;
+
+            return key;
+        }
     }
 }

QuickLook/Helpers/AutoStartupHelper.cs

@@ -28,7 +28,7 @@ namespace QuickLook.Helpers
             }
             catch (Exception)
             {
-                TrayIcon.GetInstance().ShowNotification("", "Failed to add QuickLook to Startup folder.");
+                TrayIconManager.GetInstance().ShowNotification("", "Failed to add QuickLook to Startup folder.");
             }
         }
 

QuickLook/MainWindow.xaml.cs

@@ -21,11 +21,6 @@ namespace QuickLook
 
             InitializeComponent();
 
-            // revert designer changes
-            windowPanel.Opacity = 0d;
-            busyIndicatorLayer.Visibility = Visibility.Visible;
-            busyIndicatorLayer.Opacity = 1d;
-
             // do not set TopMost property if we are now debugging. it makes debugging painful...
             if (!Debugger.IsAttached)
                 Topmost = true;
@@ -59,6 +54,9 @@ namespace QuickLook
 
         private new void Show()
         {
+            // revert UI changes
+            ContextObject.IsBusy = true;
+            
             Height = ContextObject.PreferredSize.Height + titlebar.Height + windowBorder.BorderThickness.Top +
                      windowBorder.BorderThickness.Bottom;
             Width = ContextObject.PreferredSize.Width + windowBorder.BorderThickness.Left +

QuickLook/Plugin/ContextObject.cs

@@ -84,7 +84,7 @@ namespace QuickLook.Plugin
         /// <param name="isError">Is this indicates a error?</param>
         public void ShowNotification(string title, string content, bool isError = false)
         {
-            TrayIcon.GetInstance().ShowNotification(title, content, isError);
+            TrayIconManager.GetInstance().ShowNotification(title, content, isError);
         }
 
         /// <summary>

QuickLook/QuickLook.csproj

@@ -121,7 +121,7 @@
     <Compile Include="Plugin\InfoPanel\WindowsThumbnailProvider.cs" />
     <Compile Include="Plugin\IViewer.cs" />
     <Compile Include="Helpers\DpiHelpers.cs" />
-    <Compile Include="TrayIcon.cs" />
+    <Compile Include="TrayIconManager.cs" />
     <Compile Include="Plugin\ContextObject.cs" />
     <Compile Include="Helpers\WindowHelper.cs" />
     <Compile Include="ViewWindowManager.cs" />

QuickLook/TrayIconManager.cs

@@ -7,9 +7,9 @@ using Application = System.Windows.Application;
 
 namespace QuickLook
 {
-    public class TrayIcon : IDisposable
+    public class TrayIconManager : IDisposable
     {
-        private static TrayIcon _instance;
+        private static TrayIconManager _instance;
 
         private readonly NotifyIcon _icon;
 
@@ -22,11 +22,11 @@ namespace QuickLook
                     AutoStartupHelper.CreateAutorunShortcut();
             });
 
-        private TrayIcon()
+        private TrayIconManager()
         {
             _icon = new NotifyIcon
             {
-                Icon = Resources.app_white,
+                Icon = Resources.app,
                 Visible = true,
                 ContextMenu = new ContextMenu(new[]
                 {
@@ -50,9 +50,9 @@ namespace QuickLook
             _icon.ShowBalloonTip(5000, title, content, isError ? ToolTipIcon.Error : ToolTipIcon.Info);
         }
 
-        internal static TrayIcon GetInstance()
+        internal static TrayIconManager GetInstance()
         {
-            return _instance ?? (_instance = new TrayIcon());
+            return _instance ?? (_instance = new TrayIconManager());
         }
     }
 }

QuickLook/ViewWindowManager.cs

@@ -22,13 +22,13 @@ namespace QuickLook
             _viewWindow = new MainWindow();
         }
 
-        internal void InvokeRoutine()
+        internal void InvokeRoutine(bool replaceView = false)
         {
             if (!WindowHelper.IsFocusedControlExplorerItem())
                 if (!WindowHelper.IsFocusedWindowSelf())
                     return;
 
-            if (_viewWindow.BeginHide())
+            if (!replaceView && _viewWindow.BeginHide())
                 return;
 
             var path = GetCurrentSelection();